sunxi: s/sun8i/sun8i_a23/

This is a preparation patch for adding A33 support, which will have a
mach name of sun8i-a33.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/arch/arm/cpu/armv7/sunxi/cpu_info.c b/arch/arm/cpu/armv7/sunxi/cpu_info.c
index b6cb9de..77435f3 100644
--- a/arch/arm/cpu/armv7/sunxi/cpu_info.c
+++ b/arch/arm/cpu/armv7/sunxi/cpu_info.c
@@ -64,7 +64,7 @@
 	}
 #elif defined CONFIG_MACH_SUN7I
 	puts("CPU:   Allwinner A20 (SUN7I)\n");
-#elif defined CONFIG_MACH_SUN8I
+#elif defined CONFIG_MACH_SUN8I_A23
 	puts("CPU:   Allwinner A23 (SUN8I)\n");
 #else
 #warning Please update cpu_info.c with correct CPU information
@@ -76,7 +76,7 @@
 
 int sunxi_get_sid(unsigned int *sid)
 {
-#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I_A23
 #ifdef CONFIG_AXP221_POWER
 	return axp221_get_sid(sid);
 #else